Unilock Fence Installation Nationwide

Unilock Fence Installation: The Mountain View Owner’s Guide

Unilock fence installation in Mountain View typically runs $3,500-$9,000 for a complete vinyl or aluminum system, depending on linear footage, terrain, and whether we’re anchoring into existing hardscape or cutting new footings. We stock Unilock-compatible posts, rails, and hardware for same-day starts on most standard heights, and we pull permits through Mountain View’s Community Development Department as part of the quoted scope. Most homeowners first realize something’s wrong when a post leans after winter rains, a gate drags and won’t latch, or pickets start pulling free from rails that have warped in the South Bay’s UV cycle.

Call (669) 215-4852

Which Unilock Models This Applies To

Unilock’s fence line breaks into two families: the U-Groove vinyl system (white, tan, and clay, in 4-foot, 6-foot, and 8-foot nominal heights) and the aluminum ornamental series (typically 4-foot and 6-foot with three-rail or two-rail configurations). The vinyl posts are hollow 5-inch square extrusions with routed channels; the aluminum posts are 2-inch square with wall thickness around .080 inch. We match by the embossed date code on the post interior, visible if you remove a cap, and by the rail profile - U-Groove rails have a distinctive snap-lock tab that differs from Veranda or Bufftech spacing.

OEM Unilock posts and rails are still manufactured in select colors, though lead times stretch 3-4 weeks for discontinued clay tones. We stock structural-grade aftermarket equivalents that match Unilock’s wall thickness and UV stabilizer package - the spec that matters in Mountain View’s 280+ annual days of sun - and we’ll show you both options in writing before you decide. The compatibility gotcha: Unilock’s 6-foot vinyl panel uses a 67-inch actual rail length, not the 68-inch standard that some box-store replacements assume. A rail cut short by that inch leaves the picket field loose and noisy within two seasons.

Signs Your Unilock Fence Installation Is Failing

• Post leaning or wobbling at grade. In Mountain View, the clay-heavy soils off Castro Street and north of El Camino Real hold water differently than the sandier loam near the bay. A post set without proper drainage aggregate rots at the base or heaves in winter; the concrete footing stays put while the post tilts.
• Gate sagging and latch misaligned. The diagonal brace in a Unilock vinyl gate is tensioned against the top hinge. When that brace cracks or the hinge screw holes strip out, the gate drops 1/2 inch and the latch pin misses the striker. We’ve replaced dozens where the owner shimmed the latch three times before the brace finally let go.
• Pickets popping from rails. Unilock’s snap-lock pickets rely on a flexible tab that degrades after roughly 8-10 years of UV exposure. Once the tab stiffens, wind load or a leaning kid pops the picket free; the fix is rail replacement, not just pushing it back in.
• Rail bowing between posts. A 6-foot vinyl rail spanning more than 72 inches post-to-post will belly under its own weight, accelerated by heat buildup against dark-colored siding or where reflected light concentrates off windows. We see this on south-facing lots in the Old Mountain View neighborhood.
• Corrosion at aluminum post bases. Unilock’s aluminum is powder-coated, but the cut end at grade is bare metal. If the installer didn’t use a post base shoe or marine-grade sealant, capillary wicking draws moisture up the hollow section and the base swells with oxidation from the inside out.

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Replacement Cost & What’s Included

For a typical Mountain View lot, Unilock fence installation runs $3,500-$9,000 installed. The low end covers 80-100 linear feet of 4-foot vinyl on level ground with direct burial posts; the high end reaches 150+ linear feet of 6-foot aluminum on a sloped grade with retaining-wall integration and a double gate. What moves the number: soil condition (rock or clay requires auger rental), permit fees through Mountain View Community Development ($200-$400 depending on height and location), and whether we’re removing an existing fence or working around mature landscaping.

Every quote is a flat written price with line-item breakdown - posts, rails, pickets, hardware, labor, permit, haul-away - and a 365-Day Done Right Promise backed by The Haven Standard. No work starts until you have that number in writing. We pull permits, schedule inspections, and deliver a documented photo record of post depths, footing dimensions, and finished grade before we leave.

DIY or Call Us?

There’s honest work a homeowner can do: measure your run with a 100-foot tape (not a phone app), verify property lines against your survey, and check whether your HOA or Mountain View’s zoning allows the height you’re planning. What goes sideways fast: setting posts plumb in concrete while working alone, cutting vinyl rails square with a Sawzall that melts the edge, or discovering your “level” yard drops 18 inches across the back and the panel kits don’t account for grade change.

The safety note: fence installation isn’t high-tension work, but post-hole digging near utilities isn’t guesswork. Call USA North 811 before you dig; we’ve been called to jobs where a homeowner sliced through a gas lateral in the front easement. If you’re matching an existing Unilock system and the color or profile is uncertain, call us at (669) 215-4852. We’ll measure, identify the series, and give you a written price before anyone picks up a shovel. “Measure twice, write it down, then build it that way.”

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